/* Hero */
.sec-hero {
    text-align: center;
    padding: 48px 0 64px;
    animation: fadeIn 0.8s ease-out;
}

.sec-hero h1 {
    font-size: 48px;
    font-weight: 300;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.sec-hero p {
    font-size: 20px;
    color: var(--text-light);
    font-weight: 300;
    max-width: 560px;
    margin: 0 auto;
}

/* Overview grid */
.sec-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    padding: 0 0 64px;
}

.sec-card {
    background: white;
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sec-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.sec-card-icon {
    font-size: 36px;
    margin-bottom: 16px;
}

.sec-card h3 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.sec-card p {
    font-size: 15px;
    color: var(--text-light);
    font-weight: 300;
    line-height: 1.6;
}

/* Detail sections */
.sec-section {
    padding: 48px 0;
    max-width: 720px;
    margin: 0 auto;
}

.sec-section h2 {
    font-size: 32px;
    font-weight: 300;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.sec-section p {
    font-size: 17px;
    color: var(--text-light);
    font-weight: 300;
    line-height: 1.8;
    margin-bottom: 16px;
}

.sec-callout {
    background: white;
    border-left: 3px solid var(--primary-blue);
    border-radius: 0 12px 12px 0;
    padding: 20px 24px;
    margin: 24px 0;
    font-size: 15px;
    color: var(--text-dark);
    line-height: 1.7;
}

.sec-callout strong {
    font-weight: 500;
}

/* Promise section */
.sec-promise {
    padding: 48px 0;
    max-width: 720px;
    margin: 0 auto;
}

.sec-promise h2 {
    font-size: 32px;
    font-weight: 300;
    color: var(--text-dark);
    margin-bottom: 24px;
}

.sec-promise ul {
    list-style: none;
    padding: 0;
}

.sec-promise li {
    padding: 12px 0;
    font-size: 17px;
    color: var(--text-light);
    font-weight: 300;
    line-height: 1.7;
    border-bottom: 1px solid var(--medium-gray);
}

.sec-promise li:last-child {
    border-bottom: none;
}

.sec-promise li strong {
    font-weight: 500;
    color: var(--text-dark);
}

.sec-promise p {
    font-size: 17px;
    color: var(--text-light);
    font-weight: 300;
    margin-top: 24px;
}

.sec-promise a {
    color: var(--primary-blue);
    text-decoration: none;
}

.sec-promise a:hover {
    opacity: 0.7;
}

/* CTA */
.sec-cta {
    text-align: center;
    padding: 64px 0 32px;
}

.sec-cta h2 {
    font-size: 32px;
    font-weight: 300;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.sec-cta p {
    font-size: 18px;
    color: var(--text-light);
    font-weight: 300;
    margin-bottom: 32px;
}

/* Responsive */
@media (max-width: 768px) {
    .sec-hero h1 {
        font-size: 36px;
    }

    .sec-hero p {
        font-size: 18px;
    }

    .sec-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .sec-section h2,
    .sec-promise h2,
    .sec-cta h2 {
        font-size: 26px;
    }

    .sec-section p,
    .sec-promise li {
        font-size: 16px;
    }
}